1958 Sportwin 10 flywheel fit 1955?

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ShoestringMariner
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1958 Sportwin 10 flywheel fit 1955?

Postby ShoestringMariner » Tue May 17, 2016 8:22 pm

I have a 1958 Sportwin 10 that I scrapped (seized)

I've had a guy contact me that needs one for a 1955...will they interchange?

thanks in advance

beerman57
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Re: 1958 Sportwin 10 flywheel fit 1955?

Postby beerman57 » Tue May 17, 2016 8:44 pm

compare part numbers, or size and location of the magnets to the flywheel key.

FrankR
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Re: 1958 Sportwin 10 flywheel fit 1955?

Postby FrankR » Tue May 17, 2016 9:12 pm

I'm thinking it won't work. Doesn't 1955 have the old style recoil starter with 3 pawls, and 1958 has the one with a single plastic pawl?

retiredoz
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Re: 1958 Sportwin 10 flywheel fit 1955?

Postby retiredoz » Wed May 18, 2016 12:03 am

It should be a '56. Looks to me like that's the first year for the Sportwin, and it uses the later-style (single-pawl) starter. So I'm thinking the '58 will drop right on there.

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Garry in Tampa
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Re: 1958 Sportwin 10 flywheel fit 1955?

Postby Garry in Tampa » Wed May 18, 2016 12:41 am

1955 ten would be a QD Johnson - First year of 10 horse Evinrude Sportwin was 1956 and it DID have the single pawl starter. . . . . . :D

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fleetwin
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Re: 1958 Sportwin 10 flywheel fit 1955?

Postby fleetwin » Wed May 18, 2016 11:07 am

Isn't there something about the 1958 flywheel that is different that the 56-57s also...Something about the flywheel diameter being slightly smaller? The rewind pulley might be unique as well. I can't confirm this, but remember this past discussion....

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Chinewalker
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Re: 1958 Sportwin 10 flywheel fit 1955?

Postby Chinewalker » Wed May 18, 2016 12:29 pm

I believe you're right. The small flywheel, I think, came about when they went to the smaller gear case. Trying to put the 10 on a diet, so to speak. The recoil housings were the same, but the rope plate was different. The nylon starter pawl pivot was closer to the center on the 1958 & up versions.

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Steve D
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Re: 1958 Sportwin 10 flywheel fit 1955?

Postby Steve D » Wed May 18, 2016 2:09 pm

Differences between the '56-'57 and '58 and up 10 HP.
For the recoils the connecting links and posts were moved in for '58 and up 10 HP. On the flywheels there is a different dia. up top for the pawl engagement. Under the flywheels the same diameter for coil heels.

ShoestringMariner wrote:I have a 1958 Sportwin 10 that I scrapped (seized)
I've had a guy contact me that needs one for a 1955...will they interchange?
thanks in advance
'55 was a different pawl setup so they won't interchange.
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Last edited by Steve D on Mon Sep 11, 2017 9:36 am, edited 1 time in total.
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fleetwin
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Re: 1958 Sportwin 10 flywheel fit 1955?

Postby fleetwin » Wed May 18, 2016 2:41 pm

Good info Steve, thanks!

ShoestringMariner
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Re: 1958 Sportwin 10 flywheel fit 1955?

Postby ShoestringMariner » Wed May 18, 2016 9:02 pm

Wonderful, thanks everyone


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